Having built a reputation for extreme high-end performance with the original MARS, MARS II and ARES cards, ASUS' ROG series returns with the ROG ARES II Radeon HD 7990, a monster dual-GPU card utilizing two Radeon HD 7970 GHz Edition GPUs and a hybrid liquid/air cooling system. We put this juggernaut through its paces.

Having built a reputation for extreme high-end performance with the original MARS, MARS II and ARES cards, ASUS' ROG series returns with the ROG ARES II Radeon HD 7990, a monster dual-GPU card utilizing two Radeon HD 7970 GHz Edition GPUs and a hybrid liquid/air cooling system. We take a closer look.